<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div id="i1">123</div>
<div id='i10' class='c1'>
    <a>f1</a>
    <a>f2</a>
    <div>
        <a>f3</a>
    </div>
    <input type="text">
</div>
<div class='c1'>
    <a>f</a>
    <input type="text">
    <input type="password">
</div>
<div class='c1'>
    <div class='c2'>
        <a>f</a>
    </div>
</div>
<script src="jquery-1.12.4.js"></script>
</body>
</html>